|
| |
|
|
A016953
|
|
a(n) = (6*n + 3)^9.
|
|
1
|
|
|
|
19683, 387420489, 38443359375, 794280046581, 7625597484987, 46411484401953, 208728361158759, 756680642578125, 2334165173090451, 6351461955384057, 15633814156853823, 35452087835576229, 75084686279296875
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,1
|
|
|
LINKS
|
Vincenzo Librandi, Table of n, a(n) for n = 0..2000
Index entries for linear recurrences with constant coefficients, signature (10, -45, 120, -210, 252, -210, 120, -45, 10, -1).
|
|
|
FORMULA
|
a(n) = 10*a(n-1) - 45*a(n-2) + 120*a(n-3) - 210*a(n-4) + 252*a(n-5) - 210*a(n-6) + 120*a(n-7) - 45*a(n-8) + 10*a(n-9) - a(n-10); a(0)=19683, a(1)=387420489, a(2)=38443359375, a(3)=794280046581, a(4)=7625597484987, a(5)=46411484401953, a(6)=208728361158759, a(7)=756680642578125, a(8)=2334165173090451, a(9)=6351461955384057. - Harvey P. Dale, Jan 19 2012
|
|
|
MATHEMATICA
|
(6*Range[0, 20]+3)^9 (* Harvey P. Dale, Jan 19 2012 *)
|
|
|
PROG
|
(MAGMA) [(6*n+3)^9: n in [0..20]]; // Vincenzo Librandi, May 06 2011
|
|
|
CROSSREFS
|
Sequence in context: A016773 A016845 A016893 * A017025 A017109 A017205
Adjacent sequences: A016950 A016951 A016952 * A016954 A016955 A016956
|
|
|
KEYWORD
|
nonn,easy
|
|
|
AUTHOR
|
N. J. A. Sloane
|
|
|
STATUS
|
approved
|
| |
|
|
